[FL-3134] BadUSB: Script interpreter refactoring (#2485)

* Script command and character tables
* Non-blocking stringdelay, docs update
* altchar/altstring fix
* Layout select UI fix
* Remove debug print

Co-authored-by: あく <alleteam@gmail.com>

firmware/targets/furi_hal_include/furi_hal_usb_hid.h

@@ -9,6 +9,11 @@
 extern "C" {
 #endif
 
+/** Max number of simultaneously pressed keys (keyboard) */
+#define HID_KB_MAX_KEYS 6
+/** Max number of simultaneously pressed keys (consumer control) */
+#define HID_CONSUMER_MAX_KEYS 2
+
 #define HID_KEYBOARD_NONE 0x00
 
 /** HID keyboard modifier keys */